baber/WOPTO huggingface dataset:
Patent KR-20000010225-A (KR)
Title: Bus air conditioner grille
Inventor: KIM SANG DONG
IPC: B60H1/34
Filed: 1998-07-31
Abstract: PURPOSE: A bus air conditioner grille is provided to make the structure simple according to reducing the number of components and to conduct a cold wind guiding, opening and shutting at the same time with only a guiding, opening and shutting device. CONSTITUTION: The air conditioner grille comprises:a regular square body(20) forming a pair of receiving holes(22); a rotating case(32) forming to penetrate a cold wind accessing hole(34) forward and rearward to be installed in each receiving hole of the body; three grille fans(36) rotating by installing both ends inside the accessing hole; a guiding, opening and shutting device(30) that is a connecting rod(38) combined to work at the same time by connecting to the rear face of the grille fan; and a lens(52) installed on the surface of the body and embossed on the whole face.
Patent KR-19990023422-A (KR)
Title: 디코드 신호 비교 회로
IPC: G11C11/41
Filed: 1998-08-06
Abstract: 어드레스 신호가 디코드된 2 조의 신호를 비교하기 위한 비교 회로를 간단한 구성으로 실현하고, 비교 동작 시간, 소비 전력, 패턴 면적의 증대를 억제한다. 
     어드레스 신호 중의 2 비트 이상의 신호를 단위로 나뉘어진 각 그룹마다 디코드하는 복수의 디코더(11i), 각 디코더의 디코드 출력을 일시적으로 격납하는 복수의 제1 레지스터(12i), 각 제1 레지스터로부터 출력된 신호를 일시적으로 격납하는 복수의 제2 레지스터(13i), 제1 및 제2 레지스터의 한 쌍으로부터의 2 비트의 신호를, 한 쪽의 레지스터로부터의 비트에 의해 활성화 제어되어 비교하는 복수의 비트 비교 회로(14i), 각 디코더마다 복수의 비트 비교 회로의 각 출력의 논리합을 취하는 와이어드 오어 접속 노드(wired-OR connection node)(a), 및 각 와이어드 오어 접속 노드의 출력의 일치를 검출하는 글로벌 비교 회로(16)를 구비한다.
Patent KR-20000013440-A (KR)
Title: Unity guard preservation system with additional service function
Inventor: KIM JAE CHEOL
IPC: G08B25/00
Filed: 1998-08-08
Abstract: PURPOSE: A unity guard preservation system is provided to provide an additional service function and to operate in multi-operations circumstances. CONSTITUTION: The system comprises a service controller. The service controller includes a call service portion for requesting a service, a microcontroller for dialing a control center and connecting a voice guide and a sound privately hearing portion with the control center when a user requests a service. The control center comprises an one-touch call service portion for requesting the service and a remote voice/image confirm portion for outputting a voice and image transmitted from the sound privately hearing portion and a monitor sensor.
Patent KR-20000013452-A (KR)
Title: Preparing method for 2,6-dimethylnaphthalene
Inventor: CHO YOUNG SANG
IPC: C07C15/24
Filed: 1998-08-08
Abstract: PURPOSE: A dimethylnaphthalene, especially 2,6-dimethylnaphthalene is prepared by transmethylating a mixture of naphthalene and 2-methylnaphthalene in the presence of a lewis acid catalyst. CONSTITUTION: A method for preparing 2,6-dimethylnaphthalene comprises reacting a mixture of naphthalene and 2-methylnaphthalene at the mixing ratio of 0.03 to 20 with tetramethylbenzene in the presence of aluminum chloride as a catalyst in a halogenated hydrocarbon solvent at the room temperature, the halogenated hydrocarbon solvent being selected from the group consisting of dichloromethane, benzyl chloride, and mixtures thereof.
Patent KR-20000013633-A (KR)
Title: Magnetron with cooling pin in thermally stable structure
Inventor: LEE YONG-SOO
IPC: H01J23/033
Filed: 1998-08-11
Abstract: PURPOSE: Inter-digital type magnetron composed of many anode leads is provided to prevent heat from concentrating on the connection parts between the anode leads and the anode's main body and damage from heat concentration. CONSTITUTION: Magnetron consists of the anode's main body(1) arranged in the center of the upper and the lower yoke boards. And the anode leads(2) are in even numbers forming a vacuum in the anode's main body and many cooling pins(5) are fixed on the outer circumference of the anode's main body. Heat distribution method(22) is provided to the upper and lower heat transmission routes that transmit heat from the anode main body to each cooling pin.
Patent KR-20000015117-A (KR)
Title: Load lock chamber having wafer lift pin
Inventor: LEE TAE-SOON
IPC: H01L21/02
Filed: 1998-08-27
Abstract: PURPOSE: A load lock chamber having wafer lift pin which has an improved structure and material is provided. It is prevented that the wafer lift pin is damaged. It is prevented that the wafer is damaged by the wafer lift pin. CONSTITUTION: A load lock chamber includes a wafer lift pin(20) which is formed of a stainless steel. A length of the wafer lift pin is 21.3mm
Patent KR-20000019203-A (KR)
Title: Remote control system of environmental equipment
Inventor: HWANG SUN JEONG
IPC: H04Q9/00
Filed: 1998-09-09
Abstract: PURPOSE: A remote control system of an environmental equipment is provided to remotely control several environment-related equipments operated at a few or more places. CONSTITUTION: A remote control system comprises an environmental equipment(10) for purging contaminant and a control part(20) for controlling the environmental equipment, a plurality of sensors (22, 24) for sensing whole operation of the environmental equipment to control the environmental equipment through the control part, a plurality of actuators(26, 28) for directly actuate the environmental equipment by the control of the control part; a local computer(30) connected to the control part, for controlling various data due to the operation of the environmental equipment; a control computer(50) distant from the control part, connected to the control part by a radio communication way, and for communicating with the control part. Thus, the system allows the control computer to control the control part remote from the control computer, thereby enhancing the control efficiency.
Patent KR-20000019364-A (KR)
Title: Memory substrate reproducing apparatus
Inventor: LEE JEOM DONG
IPC: H05K13/00
Filed: 1998-09-10
Abstract: PURPOSE: A memory substrate reproducing apparatus is provided to improve a productivity of a substrate by spreading a bent substrate by a pressure and a heat. CONSTITUTION: The memory substrate reproducing apparatus comprises: a body frame(100); a handle portion (200) mounted at the body frame to be rotated; a bed portion (400) for loading a substrate on an upper part of the bed portion to heat the substrate; a pressure forcing portion (300) connected to the handle portion and moving upward and downward according to a rotation of the handle portion, for forcing a heat and a pressure to the substrate so as to be spreaded the substrate; a control portion (500) connected to the bed portion and the pressure forcing portion, for controlling the bed portion and the pressure forcing portion so that the bed and pressure forcing portions heats the substrate during a predetermined time; and a sense portion (600) mounted at one side of the body frame, for sensing a location of the pressure portion to transfer an operation signal to the control portion.
Patent KR-20000020570-A (KR)
Title: Printed circuit board having plurality of integrated circuit chips and method for fabricating the same
Inventor: JEE YONG
IPC: H05K3/30
Filed: 1998-09-22
Abstract: PURPOSE: A method for mounting a plurality of chips on a printed circuit board is provided to be capable of configuring a large system in a three dimension. CONSTITUTION: A method for mounting a plurality of chips on a printed circuit board comprises the steps of: preparing a plurality of integrated circuit chips in which bumps(105) are formed at pads(104), and a printed circuit board(101) in which a plurality of electrodes are formed; forming an isotropic conductive film(103) on the printed circuit board; and aligning the pads so as to be overlapped at the electrodes to then adhere the pads and the electrodes by pressing under a predetermined temperature.
Patent KR-20000020999-A (KR)
Title: Exposure shutter module of electronic opening/closing system
Inventor: NO SU GEUN
IPC: H01L21/027
Filed: 1998-09-25
Abstract: PURPOSE: An exposure shutter module of electronic opening/closing system is provided to transismit or screen light without additional power source by using electro magnetic field. CONSTITUTION: A module comprises a bottom board(108) having a light transmitting window(109), an electromagnet(114) formed on the bottom board(108), and a driving body(117) having a shutter opening(113). The shutter opening(113) is moved so as to open and/or close with the light transmitting window(109) in accordance with variation of the electromagnet(114). The light via the transmitting window(109) is opened and/or closed by moving the driving body(117) according to electric signals applied to the electromagnet(114).
Patent KR-19990030254-A (KR)
IPC: C21C7/00
Filed: 1998-09-29
Abstract: Titanium killed steel sheets which are not troubled by nozzle clogging while they are produced in a continuous casting process, have few surface defects caused by cluster-type inclusions, and are highly rust resistant, and are formed from a melt of titanium killed steel that contains any one or two of Ca and metals REM in an amount of not smaller than 0.0005 % by weight, and wherein the steel contains major oxide inclusions of any one or two of CaO and REM oxides in an amount of from about 5 to 50 % by weight, Ti oxides in an amount of not larger than about 90 % by weight, and Al2O3 in an amount of not larger than about 70 % by weight. <IMAGE>
Patent KR-20000025537-A (KR)
Title: Method and device for automatic horizontal and vertical control of leveling device
Inventor: LEE SANG SIK
IPC: A01B63/00
Filed: 1998-10-13
Abstract: PURPOSE: A device for horizontal and vertical control is provided to a leveling device for the tractors, which can automatically maintain average of ground levels, is able to conduct quick and exact operation. CONSTITUTION: A method for horizontal and vertical control comprises the steps of; set up average of ground levels and tolerance limits, perception the ground levels of a signal receiver(14), compensation the ground level of the signal receiver, output tolerance by compensation of the ground level and control the ground level by the output tolerance. A device for Automatic horizontal and vertical control is established to a leveling device(10) of the back of a tractor(90) then produces average from the ground level. If a position value received from the signal receiver exceeds average, a micom(48) perceives and makes the signal move to the center of the receiver by a multiple action part(30). The micom then perceives a transfer value of the signal receiver and operates a front and back vertical control cylinder (60) to ascend or descend the device. So, while operating, the leveling device can always keep up an average of ground levels automatically.
Patent KR-19990007642-A (KR)
Title: 천마를 원료로 하여 제조하는 주류
Filed: 1998-10-16
Abstract: 본 발명은 옛부터 뇌신경 계통의 영약으로 알려진 천마를 원료로 하여 주류를 제조하는 것에 대한 것으로서, 
     술은 인류최대의 기호식품이지만, 대부분의 술이 음주후에 숙취로 인한 속쓰림이나 두통 등으로 고생하고 있는것이 현실이다, 
     그러나 술을 마시기 전이나 마신 후에, 천마의 추출액을 복용하면 숙취가 말끔하게 가시는 것을 알게 되었다. 
     이에 천마를 주원료로 하여 각종 술을 담그어 본결과, 
     천마를 원료로 제조한 주류 모두가 숙취의 고통이 거의 없을뿐더러, 쉽게 취했다가 깨끗하게 깨는것을 발견하게 되었다. 
     그래서 천마를 주원료로 술을 제조하거나, 다른 주류를 제조하는 과정에서 천마를 첨가하거나, 천마의 추출물을 첨가하여 제조할수있는 본 천마 술은 숙취등이 없는것은 물론, 천마의 약리작용으로 인하여 정신을 맑게 하여주고, 간기능 보호 등의 부수적인 효과도 있어 현대인의 누적된 스트레스 해소와 정신건강 유지에도 매우 좋은 술이 될수 있는 것이다.
Patent KR-20000027155-A (KR)
Title: Apparatus for engraving scribe line
Inventor: CHOI SOOK HYUN
IPC: G02F1/13
Filed: 1998-10-27
Abstract: PURPOSE: An apparatus for engraving scribe line is provided to accurately engrave a scribe line by composing a unit for sensing a time in which a scribe wheel is contacted to a glass substrate for moving the unit with a moving block. CONSTITUTION: A reference block(2) is installed to an upper surface of a rear side of a stage(1). A glass substrate(G) is safely received on the stage(1) and is contacted to the reference block(2). The glass substrate(G) is fixed by a vacuum pressure provided from a lower portion of the stage(1). A pair of timing belts(13) is arranged to both sides of the stage(1). A driving pulley(11) is connected to a rear side of timing belts(13) and a slave pulley(12) is connected to a front side of the timing belts(13). The driving pulley(11) is connected to a driving axis(11). The driving axis(10) is connected to a motor. Both sides of a moving block(20) horizontally arranged with the driving axis(10) are fixed to the timing belts(13) and are moved with timing belts(13). A pair of guides(14) is horizontally arranged with the timing belts(13) in an inner side of the timing belts(13). The moving block(20) is supported to guides(14). A rotating axis(21) is connected to the moving block(20) through a bracket(24).
Patent KR-19990046223-A (KR)
Title: 냉매 물성치 계산용 알고리즘을 이용한 연산 시스템
IPC: F25D29/00
Filed: 1998-11-18
Abstract: 냉장고의 성능설계시 요구되는 데이터값을 테이블을 이용하지 아니하고도 알고리즘을 통해서 얻을 수 있도록 된 냉매 물성치 계산용 알고리즘을 이용한 연산시스템에 대해 개시한다. 이 시스템은 응축기의 입구온도, 응축온도, 증발온도, 흡입가스온도 및 건도 등의 데이터값을 입력부에 입력시키는 입력단계와; 입력부로부터 데이터 값이 제공되며 응축압력(P d ), 냉매의 증발압력(P s ), 압축기 입구측의 흡입가스밀도(ρ), 정적비열(C v ) 및 정압비열(C p )등 소망하는 출력치 연산을 위한 알고리즘(algorithm)들을 메모리부에 저장시키는 단계와; 선택된 알고리즘 및 데이터값으로부터 연산하는 연산단계와; 연산된 출력치를 출력하는 출력단계를 포함한다. 예컨대, P c 를 임계압력 42.063㎏ f /㎠, T C 는 임계온도 384.95K 라하고, T r =T/T C 라 하면, 응축압력(P d ) 또는 증발압력(P s ) 계산을 위한 알고리즘은 In(P d /P c )=In(P s /P c )=1/T r ｛-6.9670659(1-T r )+1.6788237(1-T r ) 1.5 -4.0795370(1-T r ) 3 +4.4821021(1-T r ) 4 -5.0646598(1-T r ) 5 ｝이다. 이러한 연산시스템은 응축기의 입구온도, 응축온도, 증발온도 및 흡입가스의 온도등 원하는 데이값에 대응하는 냉장고의 성능설계에 필요한 응축압력,증발압력, 흡입가스의 정압/정적비열 등의 출력치가 연산되어 처리됨으로써, 종래 원하는 데이터 값에 대응하는 출력치를 테이블로부터 찾아서 성능설계를 하였던 것과는 달리 그 설계작업을 간편하게 한다.
Patent KR-20000033099-A (KR)
Title: Auxiliary device for discharging mounted material
Inventor: LEE YEONG JAE
IPC: F27D3/00
Filed: 1998-11-19
Abstract: PURPOSE: An auxiliary device for discharging a mounted material is provided to prevent a delay layer of a charging material formed on the wall of a shaft-type reduction furnace. CONSTITUTION: An auxiliary device(20) for discharging a charging material has a tetrahedron consisting of one lower surface(21) and three side surfaces(22). The lower surface(21) of the tetrahedron is composed of a side being a curved line having a 'b' as a radius and the other two sides being straight lines having a 'b' as a length. A straight line between points(O,P) makes an angle with the lower surface(21). A 'a' is the height between the lower surface(21) and the upper angular point(P). An incline of the side surface(22) corresponds to an incline of the inner wall of a reduction furnace.
Patent KR-20000033344-A (KR)
Title: Transmitting system
Inventor: WHANG JI HYEON
IPC: B66B9/00
Filed: 1998-11-23
Abstract: PURPOSE: A transmitting system is provided to operate plural caps on plural hoist ways and to stably and efficiently accomplish the horizontal movement of the caps. CONSTITUTION: A cap is ascended up to the highest end of a first hoist way (11A) by the rise of a first car frame(11B) caused by the movement of the rope caused by an elevation driving device. Next, the ascended cap is moved to a second car frame(12B) positioned at the lowest end of a second hoist way and is ascended up to the highest end of the second hoist way by the rise of the second car frame caused by movement of the rope by the elevation driving device on the upper side of the second hoist way. Then the ascended cap is moved to a third hoist way positioned at the lowest end of the third hoist way and is ascended to the highest end of the third hoist way by the rise of a third car frame(13A) caused by movement of the rope by the driving device on the upper side of the third hoist way. Herein, the cap is also moved to a fourth car frame(14B) of a fourth hoist way (14A) through a horizontal movement passage(13) on the upper side of an elevation passage unit(10) and is descended to the lowest end of the fourth hoist way by movement of the rope caused by the elevation driving device of the fourth hoist way. Thereby, this process is continuously circulated.
Patent KR-20000038070-A (KR)
Title: Optical fiber mode locking laser
Inventor: JANG DO IL
IPC: H01S3/0941
Filed: 1998-12-03
Abstract: PURPOSE: An optical fiber mode locking laser capable of simplifying the configuration thereof and lowering a threshold intensity of a pump light necessary in a mode locking operation by using a liquid crystal circular polarization mirror is provided. CONSTITUTION: In an optical fiber mode locking laser, a gain medium addition optical fiber(41) performs an inverting distribution between upper and lower energy levels by a pump light source and sequentially oscillates light waves required. A liquid crystal circular polarization mirror(81) permeates a wavelength of the pump light source and controls a wavelength of the light waves oscillated by the pump source in the gain medium addition optical fiber(41) to operate as a circular polarization reflecting mirror. A polarization controller(21) controls a polarization state of a light oscillated by gain medium addition optical fiber(41). A dispersion transition optical fiber(42) gives a non-linear efficiency to the light from the polarization controller(21). An optical fiber laser output mirror(62) permeates a part of the light and reflect a part thereof to form a resonator.
Patent KR-19990064402-A (KR)
Title: 공기입 타이어용 고강도 스틸코드
IPC: D07B1/06
Filed: 1998-12-15
Abstract: 본 발명은 공기입 타이어용 고강도 스틸코드에 관한 것으로, 본 발명에 따른 스틸코드(1)는 카본함량이 0.92 ~ 2.0% 인 고강도 카본스틸을 사용하여 인발가공 한 후, 고무와의 접착을 위해서 표면에 황동을 도금하고 다시 인발 및 연선가공하여 제조되되, 2가닥의 필라멘트로 이루어져 기존의 스틸코드에 비해서 고강력을 가짐으로써 타이어에 적용할 때 그 사용량 및 고무토핑(topping)량을 줄일 수 있어 타이어의 경량화, 원가절감 및 연비를 절감할 수 있도록 된 것이다.
Patent KR-19990063304-A (KR)
Title: 광픽업 장치
IPC: G11B7/00
Filed: 1998-12-22
Abstract: 디스크에 따라 수차가 적응 적으로 보상되는 광 픽업 장치가 개시되게 된다. 
     광 픽업 장치는 디스크 상에 조사될 제1 파장의 광빔을 발생하는 제1 광원과, 디스크 상에 조사될 제2 파장의 광빔을 발생하는 제2 광원을 사용한다.   광 경로는 제1 광원으로부터의 제1 광빔이 유한 광학 방식에 의해 디스크 상에 스폿의 형태로 조사되게 함과 제2 광원으로부터의 제2 광빔이 무한 광학 방식에 의해 디스크 상에 스폿의 형태로 조사되게 구비한다.
Patent KR-20000042982-A (KR)
Inventor: SON YEONG PYEONG
IPC: H01L21/66
Filed: 1998-12-28
Abstract: PURPOSE: A remote control circuit for plural semiconductor manufacturing equipments is provided to enable a sequential and automatic monitoring of the equipments. CONSTITUTION: A plurality of equipments, for example, five exposure equipments, are controlled by a remote control circuit which includes a first receiving unit(100), a second receiving unit(200), a counter unit(300), a control unit(400), a tower lamp(500), and a displayer(600). The first receiving unit(100) and the second receiving unit(200) respectively receive an error signal and an exposure completion signal from each equipment, and then convert the error signal into a driving signal for the control unit(400). The counter unit(300) generates a sequential signal from five output terminals. The control unit(400) controls the equipments according to signals transmitted from the first and the second receiving units(100,200) and the counter unit(300). The tower lamp(500) indicates an error of the equipments or a completion of the exposure process according to the signals of the first or the second receiving unit(100,200). Similarly, the displayer(600) indicates the number of the equipment transmitting the signals.
Patent KR-20000043735-A (KR)
Title: Transform and inverse transform encoding apparatus and method for video encoder
Inventor: KIM GYUN SU
IPC: H04N19/42
Filed: 1998-12-29
Abstract: PURPOSE: A transform and inverse transform encoding apparatus is provided to reduce a required hardware area and the power consumption by adopting a structure of 3-bit serial discrete distribution. CONSTITUTION: A discrete cosine transform/inverse discrete cosine transform unit(100) transforms a video input from external into frequency components by the discrete cosine transform(DCT). A quantization/inverse quantization unit(200A, 200B) is connected to the discrete cosine transform/inverse discrete cosine transform unit(100) and transmits values in the discrete cosine transform(DCT) to a different quantization step according to the importance of the frequency components. A scan transform unit change the scan order of the quantized data to be transmitted to a variable length encoder.
Patent KR-20000047230-A (KR)
Title: Method for inputting characters for communication terminal and apparatus thereby
Inventor: KWAK DONG IN
IPC: H04B1/38
Filed: 1998-12-31
Abstract: PURPOSE: A method for inputting characters for a communication terminal and the apparatus thereby are provided to easily execute character input with simple key operation by installing a liquid crustal element inside of the key buttons of a keypad. CONSTITUTION: A keypad(60) provided with a plurality of operation keys is comprised of 10-keys, * and # keys, a mode selection key, a deletion key and a storage key. A key button LCD driving part(71) displays various character elements on the key buttons. A keypad scanner(72) detects key operation states on the keypad(60). A microprocessor(73) controls character input and display operation based on a detection result from the keypad scanner(72). A program memory(74) stores the operation program of the microprocessor(73).
Patent KR-19990036292-A (KR)
IPC: H04L9/32
Filed: 1996-03-22
Abstract: An electronic transition device for commercial payments has a host processor with an electronic module. The host processor supports communications external to the transaction device as well as communications to the electronic module, to a transaction application, and to a human/machine interface. The electronic module has a processor which supports communications with the host processor, a transaction protocol, crytography means, and a memory for storing electronic money and tickets. The module executes the transaction protocol and provides remittance advice information to another transaction device after which the first electronic module receives commercial payment ticket from the other transaction device. After that, the electronic module transfers electronic money to the other transaction device. <IMAGE>
Patent KR-19990044700-A (KR)
Title: 호스트 컴퓨터와 터미널 컴퓨터 사이의 데이터 전송 방법 및 장치
IPC: H04L29/08
Filed: 1996-09-12
Abstract: 본 발명은 호스트 컴퓨터와 터미널 컴퓨터 사이에서 통신네트워크를 통해 데이터를 전송하는 방법에 관한 것으로서, 터미널 컴퓨터(22)를 사용하여 공중망(14)을 통해 호스트 컴퓨터(22)에 애플리케이션 프로그램을 열고 닫도록 지시를 내리며, 애플리케이션 프로그램과 터미널 컴퓨터 사이에서 공중망(14)을 통해 데이터를 전송하는 방법이 기술되어 있고, 애플리케이션 프로그램을 열기 위해 터미널 컴퓨터는 양 컴퓨터 사이에 최초 연결을 설정하고, 이 최초 연결을 통해 애플리케이션 프로그램을 열도록 하는 지시를 내리고, 호스트 컴퓨터는 각각의 애플리케이션 프로그램에 대해 부가적인 연결을 설정하고, 터미널 컴퓨터에서 각각의 부가적인 연결에 대해 개별적인 터미널 에뮬레이터 창이 형성되고, 각각의 애플리케이션 프로그램에 대하여 데이터는 캐릭터 기반 프로토콜을 사용하여 각각의 부가적인 연결을 통해 전송되고, 터미널 컴퓨터에서 이 데이터는 캐릭터 기반 프로토콜로부터 비트 맵 형식으로 변환된 다음에 개별적인 터미널 에뮬레이터 창에 표시되는 것을 특징으로 한다.
Patent KR-19990063674-A (KR)
IPC: H04R17/00
Filed: 1996-09-25
Abstract: A loudspeaker system module is disclosed, the module comprising a piezoelectric element subject to displacement by applied electric potential and having a top side and an under side, a panel diaphragm that is driven by the piezoelectric element and to which the under side of the piezoelectric element is joined, and means for reducing structural resonances in the panel diaphragm. <IMAGE>
Patent KR-19990066958-A (KR)
Title: 고주파 신호의 주파수 변조 방법 및 장치
IPC: H03C3/09
Filed: 1996-10-02
Abstract: 고주파 신호의 주파수 변조를 위한 장치와 방법에서 실제 고주파 신호와 변조 가능한 표준 고주파 신호와의 비교를 통해 변조되는, 발진기를 통해 고주파 신호가 생성되며 실제 고주파 신호는 실제 고주파에 해당되는 중간 반복주파수가 있는 펄스로 구성되고 이 때 각각의 펄스는 고주파 신호의 측면에서 파생되며 그 단계에서 제시된 사이클에 의해 결정된다. 표준 주파수 신호는 표준주파수에 해당되는 중간 반복주파수가 있는 펄스로 구성된다. 펄스는 전방/후방 계수기를 감소시키거나 혹은 증가시키며 그 계수기의 계산으로부터 발진기에 대한 제어전압이 유도된다.
Patent KR-19990077306-A (KR)
Title: 정방형의 비대칭성 균일반복 어레이 부호화 개구 이미징시스템
IPC: G01T1/167
Filed: 1997-01-14
Abstract: 본 발명의 정방형의 비 대칭성 균일반복 어레이 부호화 개구는 투명 및 불투명 셀들을 포함하고 제 1 위치에서 정규 마스크패턴을 나타내며, 제 1 위치로 부터 90° 회전이격된 제 2 위치로 회전될 시 상보 마스크패턴을 나타낸다.   상기 개구는 감마선 또는 x선과 같은 비 촛점성 방사선의 발생원에 대한 영상을 발생시키기 위한 시스템에 사용된다.  상기 이미징시스템은 상기 발생원으로 부터 방출되는 방사선(20)을 수신하여 상기 두 위치에서 부호화된 음영들을 발생시키는 부호화 개구(22)와, 상기 두 위치사이에서 상기 부호화 개구를 회전시키기 위한 모터(30)와, 순차로 충돌되는 상기 음영들에 대한 부호화 광신호들을 발생시키는 위치감지 검출기(10)와, 상기 광신호들에 대한 부호화 전기신호들을 발생시키는 광신호 변환기(34)와, 상기 전기신호들을 해독하여 비 촛점성 방사선 발생원의 영상신호를 발생시키는 신호처리기(14)를 포함한다.